Course Hero has millions of student submitted documents similar to the one

below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.

Course Hero has millions of student submitted documents similar to the one below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.

Data Post-Lab Summary Note : some questions will display a variable like "nCount" or "SyInput" instead of an actual number in the data summary. Q# Question Text 5) Scoring Scheme: 3-2-1-1 Part I. In step 8 of Part I, why do you not want any of the water on the outside of the test tube to drip off into the calorimeter? Your
Both a and b. You Scored 2 points out of 3 Possible 6) Data Entry - No Scoring Part I. For each trial, enter the precise mass in GRAMS of the "hot" water in the test tube. Your mass precision should be reported to a thousandth of a gram, i.e. 30.034 g. (Use 5 significant figures.) Your Answer: 26.36 No Points Possible Your Answer: 30 No Points Possible Your Answer: 30 No Points Possible 7) Data Entry - No Scoring Part I. For each trial, enter the initial temperature of the "hot" water in the test tube, Tihot water. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 99.6oC. Your Answer: 100.3 No Points Possible Your Answer: 100.2 No Points Possible Your Answer: 97 No Points Possible 8) Data Entry - No Scoring Part I. For each trial, enter the final temperature of the mixture in the calorimeter, Tf. This should be the highest temperature reached after mixing. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 34.0oC. Your Answer: 40.1 No Points Possible Your Answer: 43 No Points Possible Your Answer: 42 No Points Possible 9) Scoring Scheme: 3-3-2-1 Part I. For each trial, enter the amount of heat lost by the hot water, qhot water. Hints: The specific heat of water is 4.184 J/goC. Be careful with your algebraic sign and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Your Answer: -6640 You Scored 3 points out of 3 Possible Your Answer: -7180 No Points Possible Your Answer: -6904 No Points Possible 10) Data Entry - No Scoring
Part I. For each trial, enter the precise mass in GRAMS of the "cool" water in the calorimeter. Your mass precision should be reported to a thousandth of a gram, i.e. 70.546 g. (Use 5 significant figures.) Your Answer: 70.1 No Points Possible Your Answer: 70.1 No Points Possible Your Answer: 70.05 No Points Possible 11) Data Entry - No Scoring Part I. For each trial, enter the initial temperature of the "cool" water in the calorimeter, Ticalorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.2oC. Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible 12) Scoring Scheme: 3-3-2-1 Part I. For each trial, enter the amount of heat gained by the cool water, qcool water. The specific heat of water is 4.184 J/goC. Report your answer to 4 digits. Note: You should always carry 1 or 2 extra digits beyond the number of significant figures until your final calculation. Your Answer: 5015 You Scored 3 points out of 3 Possible Your Answer: 5866 No Points Possible Your Answer: 5569 No Points Possible 13) Scoring Scheme: 3-3-2-1 Part I. For each trial, calculate the heat gained by the calorimeter, qcalorimeter. This can be done by using the equation: qhotwater = -(qcoolwater + qcalorimeter). Hint: Think about whether qcalorimeter is a positive or negative quantity. Be careful with your negative values here. Remember that (- qhot water) has the opposite algebraic sign value of (qhot water). Report your answer using 4 digits. Note: You should always carry 1 or 2 extra digits beyond the number of significant figures until your final calculation. Your Answer: 1625 You Scored 3 points out of 3 Possible Your Answer: 1314 No Points Possible Your Answer: 1335 No Points Possible 14) Scoring Scheme: 3-3-2-1 Part I. For each trial, calculate the heat capacity of your calorimeter. Report your answer in the correct number of significant figures. This may only be 2 or 3 significant figures. Your Answer: 95 You Scored 3 points out of 3 Possible Your Answer: 65.7 No Points Possible Your Answer: 70.3 No Points Possible
15) Scoring Scheme: 3-3-2-1 Part I. Calculate the average heat capacity for the calorimeter. Report your answer to the correct number of significant figures. Average = Your Answer: 77
You Scored 3 points out of 3 Possible
16) Scoring Scheme: 3-3-2-1 Part I. Calculate a standard deviation for your data of the heat capacity. Standard deviation = Your Answer: 16
You Scored 3 points out of 3 Possible
17) Scoring Scheme: 3-3-2-1 Part I. Calculate a 90% confidence limit for this data. 90% confidence limit = Your Answer: 26.97 You Scored 3 points out of 3 Possible 19) Scoring Scheme: 3-2-1-1 Part II. Why do you want the water to drip off the metal before it is placed in the calorimeter? Your The mass and the initial temperature of the calorimeter water will be incorrect and affect the calculation of the specific heat capacity of the metal. You Scored 2 points out of 3 Possible 20) Data Entry - No Scoring Part II. For each trial, enter the precise mass in GRAMS of the metal. Your mass precision should be reported to a thousandth of a gram, i.e. 122.956 g. (Use 5-6 significant figures.) Your Answer: 183.597 No Points Possible Your Answer: 183.597 No Points Possible Your Answer: 183.597 No Points Possible 21) Data Entry - No Scoring Part II. For each trial, enter the temperature of the boiling water. This will be the initial temperature of the metal, Timetal. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 99.8oC. Your Answer: 101.2 No Points Possible Your Answer: 99.8 No Points Possible Your Answer: 100 No Points Possible 22) Data Entry - No Scoring
Part II. For each trial, enter the precise mass in GRAMS of the "cool" water in the calorimeter. Your mass precision should be reported to a thousandth of a gram, i.e. 70.546 g. (Use 5 significant figures.) Your Answer: 70.1 No Points Possible Your Answer: 70.1 No Points Possible Your Answer: 70.1 No Points Possible 23) Data Entry - No Scoring Part II. For each trial, enter the initial temperature of the "cool" water in the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.6oC. Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible 24) Data Entry - No Scoring Part II. For each trial, enter the final temperature of the calorimeter water after placing the metal in the calorimeter, Tf. This should be the highest temperature reached after adding the metal to the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 34.0oC. Your Answer: 37 No Points Possible Your Answer: 37 No Points Possible Your Answer: 37 No Points Possible 25) Scoring Scheme: 3-3-2-1 Part II. For each trial, enter the amount of heat lost by the metal, qmetal. Hint: The specific heat of water is 4.184 J/goC. Be careful of your algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Your answer should be reported to 4 digits. Note: You should always carry 1 or 2 extra digits beyond the number of significant figures until your final calculation. Your Answer: -5184 You Scored 3 points out of 3 Possible Your Answer: -5184 No Points Possible Your Answer: -5184 No Points Possible 26) Scoring Scheme: 3-3-2-1 Part II. For each trial, calculate the specific heat of your metal, Csp. Report your answer to 3 digits. Your Answer: 0.44 You Scored 3 points out of 3 Possible Your Answer: 0.45 No Points Possible Your Answer: 0.448 No Points Possible 27) Scoring Scheme: 3-3-2-1 Part II. Calculate the average specific heat for your metal. You should report your average to the correct number of significant figures. This may be only 2 or 3 significant figures.
Average = Your Answer: 0.446 You Scored 3 points out of 3 Possible 28) Scoring Scheme: 3-3-2-1 Part II. Calculate a standard deviation for your data of the specific heat of your metal. Standard deviation = Your Answer: 0.0053 You Scored 3 points out of 3 Possible 29) Data Entry - No Scoring Part II. Using the physical properties of your metal, i.e. density & color, identify your metal. Indicate which metal you have by choosing one of the following metals. Your Cu You Scored 0 points out of 0 Possible 30) Scoring Scheme: 3-3-2-1 Part II. Calculate the percent error of your average specific heat as compared to the accepted values listed. Report your answer to the correct number of significant figures. This may be 2 or 3 significant figures. Csp(Pb) = 0.128 J/goC; Csp(Al) = 0.900 J/goC; Csp(Cu) = 0.387 J/goC % Error = Your Answer: 15.3
You Scored 3 points out of 3 Possible
32) Scoring Scheme: 3-2-1-1 Which of the following chemical equations best describes the dissolution of ammonium nitrate in water? Your NH4NO3(s) ==> NH4+(aq) + NO3-(aq); You Scored 2 points out of 3 Possible 33) Data Entry - No Scoring Part III. For each trial, enter the number of GRAMS of ammonium nitrate dissolved in the calorimeter. Your mass precision should be reported to a thousandth of a gram, i.e. 5.546 g. (Use 4 significant figures.) Your Answer: 5 No Points Possible Your Answer: 4.972 No Points Possible Your Answer: 4.968 No Points Possible 34) Scoring Scheme: 3-3-2-1 Part III. For each trial, calculate the number moles of ammonium nitrate used in the reaction. Report your answer to 4 signficant figures, i.e. 0.08765 moles. Your Answer: 0.0625 You Scored 3 points out of 3 Possible Your Answer: 0.06215 No Points Possible
Your Answer: 0.0621 No Points Possible 35) Data Entry - No Scoring Part III. For each trial, enter the initial temperature of the water in the calorimeter, Tiwater. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.5oC. Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible 36) Data Entry - No Scoring Part III. For each trial, enter the final temperature of the calorimeter water after placing the ammonium nitrate in the calorimeter, Tf. This should be the lowest temperature reached after adding the ammonium nitrate to the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 9.6oC. Your Answer: 10.2 No Points Possible Your Answer: 12.5 No Points Possible Your Answer: 13.1 No Points Possible 37) Data Entry - No Scoring Part III. For each trial, enter the precise mass in GRAMS of the water in the calorimeter. Your mass precision should be reported to a thousandth of a gram, i.e. 25.546 g. (Use 5 significant figures.) Your 24.83 Answer: No Points Possible Your Answer: 25.15 No Points Possible Your Answer: 26.11 No Points Possible 38) Scoring Scheme: 3-3-2-1 Part III. For each trial, enter the amount of heat gained by the chemical system of ammonium nitrate, qrxn. The specific heat of water is 4.184 J/goC. Report your answer using 4 digits. Your Answer: 2315 You Scored 3 points out of 3 Possible Your Answer: 1913 No Points Possible Your Answer: 1844 No Points Possible 39) Scoring Scheme: 3-3-2-1 Part III. The heat transfer in the calorimeter is taking place at constant pressure. Therefore, we can equate the heat gained by the chemical system of ammonium nitrate, qrxn, to its enthalpy of the dissolution reaction, ?Hrxn. For each trial, calculate the enthalpy of the reaction per mole of ammonium nitrate in units of Joules per mole. Your answer should be reported in the correct number of significant figures. This may be only 2 or 3 significant figures. Your Answer: 37040 You Scored 3 points out of 3 Possible Your Answer: 30780 No Points Possible Your Answer: 29694 No Points Possible
40) Scoring Scheme: 3-3-2-1 Part III. Calculate the average enthalpy of reaction for the dissolution of ammonium nitrate in J/mol. Your answer should be reported to the correct number of significant figures. Average = Your Answer: 32505 You Scored 3 points out of 3 Possible 41) Scoring Scheme: 3-3-2-1 Part III. Calculate the standard deviation of your measured values of the enthalpy of reaction for the dissolution of ammonium nitrate. Std dev = Your Answer: 3965
You Scored 3 points out of 3 Possible
42) Scoring Scheme: 3-3-2-1 Part III. Is the dissolution reaction of ammonium nitrate enthalpy favored? Your No, it is not enthalpy favored since the chemical system gains energy. You Scored 3 points out of 3 Possible 44) Scoring Scheme: 3-2-1-1 Which of the following chemical equations best describes the neutralization reaction of hydrochloric acid and sodium hydroxide? Your HCl(aq) + NaOH(aq) ==> H2O(l) + NaCl(aq); You Scored 3 points out of 3 Possible 45) Data Entry - No Scoring Part IV. For each trial, enter the precise volume in mL of 6.0 M HCl used to measure the enthalpy change in the neutralization reaction. Your Answer: 15 No Points Possible Your Answer: 15 No Points Possible Your Answer: 15 No Points Possible 46) Scoring Scheme: 3-3-2-1 Part IV. For each trial, calculate the number moles of 6.0 M HCl used in the reaction. Report your answer using 4 digits. Note that it is 1 or 2 digits beyond the number of significant figures, i.e. 0.2345 moles. Your Answer: 0.09 You Scored 3 points out of 3 Possible Your Answer: 0.09 No Points Possible Your Answer: 0.09 No Points Possible 47) Data Entry - No Scoring Part IV. For each trial, enter the initial temperature of the HCl solution. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.4oC. Your Answer: 22 No Points Possible
Your Answer: 22 Your Answer: 22
No Points Possible No Points Possible
48) Data Entry - No Scoring Part IV. For each trial, enter the final temperature of the calorimeter water, Tf. This should be the highest temperature reached after mixing the HCl and NaOH in the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 30.0oC. Your Answer: 65.5 No Points Possible Your Answer: 65.5 No Points Possible Your Answer: 65.5 No Points Possible 49) Data Entry - No Scoring Part IV. For each trial, enter the precise volume in mL of 6.0 M NaOH used to measure the enthalpy change in the neutralization reaction. Your measurement should be reported to the closest five-tenths of a mL. (e.g. 15.5 mL). Your Answer: 15 No Points Possible Your Answer: 15 No Points Possible Your Answer: 15 No Points Possible 50) Scoring Scheme: 3-3-2-1 Part IV. In order to calculate the heat gained by the water in the calorimeter, the mass of the water must be determined. It will be calculated from the volumes of HCl and NaOH and the density of water, 1.00 g/mL. You should approximate that the density of the NaOH and HCl mixture is equal to the density of water. For each trial, calculate the mass of water in the calorimeter. Report your values to 3 significant figures. Your Answer: 30 You Scored 3 points out of 3 Possible Your Answer: 30 No Points Possible Your Answer: 30 No Points Possible 51) Scoring Scheme: 3-3-2-1 Part IV. For each trial, enter the amount of heat lost by the chemical system, qrxn. Hints: The specific heat of water is 4.184 J/goC. Be careful of your algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Note, this is 1 or 2 digits beyond the correct number of significant figures. Your Answer: -8810 You Scored 3 points out of 3 Possible Your Answer: -8810 No Points Possible Your Answer: -8810 No Points Possible 52) Scoring Scheme: 3-3-2-1 Part IV. The heat transfer in the calorimeter is taking place at constant pressure. Therefore, we can equate the heat lost by the chemical system, qrxn, to its enthalpy of reaction, ?Hrxn.
For each trial, calculate the enthalpy of the neutralization reaction per mole of hydrochloric acid in units of Joules per mole. Do not forget about your algebraic sign here. Your answer should be reported in the correct number of significant figures. This should be 3 digits. Your Answer: -97889 You Scored 3 points out of 3 Possible Your Answer: -97889 No Points Possible Your Answer: -97889 No Points Possible 53) Scoring Scheme: 3-3-2-1 Part IV. Calculate the average enthalpy of reaction for the neutralization reaction in J/mol. Your answer should be reported in the correct number of significant figures. This may be 2 or 3 significant figures. Average = Your Answer: -97889
You Scored 3 points out of 3 Possible
54) Scoring Scheme: 3-3-2-1 Part IV. Calculate the standard deviation of your measured values of the enthalpy for the neutralization reaction. Std dev = Your Answer: 0
You Scored 3 points out of 3 Possible
55) Scoring Scheme: 3-3-2-1 Part IV. Is the neutralization reaction enthalpy favored? Your Yes, it is enthalpy favored since the chemical system loses energy. You Scored 3 points out of 3 Possible 57) Data Entry - No Scoring Part V. For each trial, enter the precise mass in GRAMS of the water in the calorimeter before adding the ice. Your mass precision should be reported to a thousandth of a gram, i.e. 70.546 g. (Use 5 significant figures.) Your Answer: 25 No Points Possible Your Answer: 25 No Points Possible Your Answer: 25 No Points Possible 58) Data Entry - No Scoring Part V. For each trial, enter the initial temperature of the water in the calorimeter before adding the ice. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 17.6oC. Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible Your Answer: 23 No Points Possible
59) Data Entry - No Scoring Part V. For each trial, enter the final temperature of the calorimeter water after placing the ice in the calorimeter, Tf. This should be the lowest temperature reached after adding the ice to the calorimeter. Your temperature precision should be reported to two-tenths of a degree Celsius, i.e. 1.0oC. Your Answer: 2.8 No Points Possible Your Answer: 5 No Points Possible Your Answer: 4 No Points Possible 60) Scoring Scheme: 3-3-2-1 Part V. For each trial, enter the amount of heat lost by the calorimeter water, qwater. Hint: The specific heat of water is 4.184 J/goC. Be careful of the algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Note, this is 1 or 2 digits beyond the correct number of significant figures. Your Answer: -2113 You Scored 3 points out of 3 Possible Your Answer: -1883 No Points Possible Your Answer: -1987 No Points Possible 61) Scoring Scheme: 3-3-2-1 Part V. For each trial, enter the amount of heat lost by the calorimeter, qcalorimeter. Be careful of the algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Note, this is 1 or 2 digits beyond the correct number of significant figures. Your Answer: -1555 You Scored 3 points out of 3 Possible Your Answer: -1386 No Points Possible Your Answer: -1463 No Points Possible 62) Data Entry - No Scoring Part V. For each trial, enter the precise final mass in GRAMS of the water in the calorimeter AFTER the ice has melted. Your mass precision should be reported to a thousandth of a gram, i.e. 75.546 g. (Use 5 significant figures.) Your Answer: 35 No Points Possible Your Answer: 35 No Points Possible Your Answer: 35 No Points Possible 63) Data Entry - No Scoring Part V. Enter your measured temperature of an ice-water bath. This is the initial temperature of the melted ice and is needed to calculate the temperature change of the melted ice. If you did not measure the temperature of an ice-water bath with your thermometer simply assume that it is 0.0oC. Measuring this temperature with your
thermometer would eliminate any systematic errors introduced by your thermometer since the temperature change is measured by difference. Your temperature values should be reported to two-tenths of a degree, i.e. 0.2oC. Tiice-water = Your Answer: 0
No Points Possible
64) Scoring Scheme: 3-3-2-1 Part V. The heat gained by the ice melted the ice and raised the temperature of the melted ice from its initial temperature to the final temperature of the water in the calorimeter. Use this information to calculate the heat of fusion per gram of ice for each trial. Enter your values using the correct number of significant figures. This may be 2 or 3 digits. Your Answer: 355 You Scored 2 points out of 3 Possible Your Answer: 306 No Points Possible Your Answer: 328 No Points Possible 65) Scoring Scheme: 3-3-2-1 Part V. Calculate the average Heat of Fusion of ice in J/g. Your answer should be reported in the correct number of significant figures. This should be 3 digits. Average = Your Answer: 330
You Scored 3 points out of 3 Possible
66) Scoring Scheme: 3-3-2-1 Part V. Calculate the standard deviation of your measured values of the Heat of Fusion of ice. Std dev = Your Answer: 25
You Scored 3 points out of 3 Possible
67) Scoring Scheme: Analysis Part V. Calculate your percent error. The accepted value for the Heat of Fusion of ice, according to the textbook, Petrucci et. al., 8th edition, is 330 J/g. Note that this value is reported here only to 2 significant figures. % error = Your Answer: 0
You Scored 5 points out of 5 Possible

**Find millions of documents on Course Hero - Study Guides, Lecture Notes, Reference Materials, Practice Exams and more. Course Hero has millions of course specific materials providing students with the best way to expand their education.**

Below is a small sample set of documents:

UC Davis - CHE - 2b

Q# Question Text 4) Part I. The expresssion for the freezing point depression of a solution relative to that of the pure solute is shown above. From solutions of known concentrations of p-dichlorobenzene in cyclohexane, you determine Kf, the freezing

UC Davis - CHE - 2b

Note : some questions will display a variable like "nCount" or "SyInput" instead of an actual number in the data summary. Q# Question Text 4) Scoring Scheme: 3-3-2-1 Part I. You considered the equilibrium: Fe 3+(aq) + SCN-(aq) Fe(SCN)2+(aq), and comp

UC Davis - CHE - 2b

Post-Lab Data SummaryNote : some questions will display a variable like "nCount" or "SyInput" instead of an actual number in the data summary. Q# Question Text 4) Scoring Scheme: 3-3-2-1 Part I. How many mL of 6 M NaOH stock solution should be used

UC Davis - CHE - 2b

Post-Lab Data SummaryNote : some questions will display a variable like "nCount" or "SyInput" instead of an actual number in the data summary. Q# Question Text 4) Scoring Scheme: 3-3-2-1 Part I. What volume in mL of 6 M acetic acid is needed to make

UC Davis - CHE - 2b

4) Data Entry - No Scoring Please enter the precise mass in grams of the sodium carbonate sample in each of your three trials. You should enter the mass to the thousandth of a gram, e.g. 0.178 g. Your Answer: 0.204 No Points Possible Your Answer: 0.2

UC Davis - CHE - 2b

Post-Lab Data SummaryNote : some questions will display a variable like "nCount" or "SyInput" instead of an actual number in the data summary. Q# Question Text 4) Data Entry - No Scoring Part I. What is your assigned pH value for the ACIDIC buffer s

BU - LJ - 304

LJ 304 CHAPTERS 13 & 14 EXAM Kanji Recognition: Proper form At that time Unskilled Blackboard To copy Poem To invite To respond Broken (Japanese) To invite To encourage Feelings; emotion As

BU - LI - 111

ITALIAN NOTES Chapter 7: Vocabulary L'agenzia di viaggi Prenotare La prenotazione Fare il biglietto Viaggiare La gita Il Pullman La carta d'identita Il passaporto All'estero La nave La crociera La dogana La fermata del treno (dell'autobus, del tram)

BU - LJ - 304

To invite Baseball Game Together Celebration Regrettable Section chief To invite To be sudden To talk about. One's own wife Arm w/out hesitation To intrude Movie director Stay up all nigh

BU - LJ - 445

LJ 445 Midterm I. Name of four islands a. b. c. d. Size of Japan compared to US a. 380,000 km squared b. Roughly the same size as California Names of to, doo, fu, ken (as for ken, at least several) a. b. c. d. Weather in Japan a. Kanji Read

BU - IR - 275

China's First Empire The Qin Dynasty and Ancient Intellectual Thinking Mandate of Heaven Son of Gods? Always bad historical account of previous dynasty so that taking over is justified1. Capital of Qin dynasty near Yellow River (Chang'an) 2. The

UC Irvine - PSYC - 178

Ch.7 Identity salience Multiple self identities some more important than others; can be ranked The more .salient an id the more frequently we will rely on it Loss of a salient id ex. Divorce or widow, can cause uncertainty Loss of less salient id has

UCSD - BIBC - 100

1A/4B. (1 point for each correct answer) Characteristic Negatively charged R group Aromatic Contain sulfur Contain OH group Amino Acid #1 Glu, Asp Phe, Tyr, Trp Met, Cys Ser, Thr Amino Acid #22A/5B. This problem was deleted 3A/6B a) (1 point for ea

UCSD - BIBC - 102

(f) Fatty Acid Elongation AND DESATURATION The reaction steps needed to convert palmitoyl CoA (C-16) stearyl CoA (C-18) oleyl CoA (C-18). Know the location of these reactions in the cell (cytosol). Know how to predict the location of double bonds f

UCSD - BIBC - 102

UCSD - BIBC - 102

BIOCHEMISTRY 102 FINAL EXAM NOTES (Spring 2005, Dr. Paul Price)*The final exam will be approximately 300 points, and will be divided into 250 points from weeks 6-10 and 5 points from weeks 1-5. The following list gives you a specific description of

UCSD - BIBC - 102

BIBC 102 2006 MIDTERM EXAM NOTESThe midterm exam will cover the material presented in the first 10 lectures and problem sets 1 through 5. 1. 2. Problem sets #1-5: any question or slight variations on these problems, may be on the exam. The 20 Amino

UCSD - BIBC - 102

UCSD - BIBC - 102

UCSD - BIBC - 102

UCSD - BIBC - 103

BIBC 103 Section D Midterm Exam 2 (150 pts.)KEYLab Section_1) (20 pts.) Sketch a diagram of an IgG class immunoglobulin protein molecule. Show each individual polypeptide chain, and indicate how they are held together. Also, indicate the constan

UCSD - BIBC - 103

BIBC 103 Section B Midterm Exam 1 (150 pts.)ANSWER KEY Lab Section_1) (20 pts.) Your first day on the job at the trendy, new biotech company, Spliceogen, you are asked to make a buffer solution for an enzymatic assay. You want to make 500 ml of 1

UCSD - BIBC - 103

BIBC 103 Section B Midterm Exam 2 (150 pts.)KEYLab Section_1) (12 pts.) For each statement given below, indicate whether it is true for monoclonal antibodies (M), polyclonal antibodies (P), or both monoclonal and polyclonal antibodies (M and P).

UCSD - BIBC - 120

UCSD - BIBC - 120

UCSD - BICD - 100

HARDY-WEINBERG LAW p2 + 2pq + q2 = 1 (p+q)2 = 1 Frequencies of genotypes Frequencies of allelesHardy-Weinberg Equilibrium Needs: 1. Must be randomly mating 2. Must have no selection for or against a given phenotype (equal chance of one gamete me

UCSD - BICD - 100

Final Replica Plating = copying Petri dish bacteria colonies with a velvet plater printing press to test genotypes 1) Conjugation (conjugate mating) = need physical contact of Hfr bacterial cells to F- by pili to transfer genetic information after F

UCSD - BICD - 100

paradigm = model for predictive purposes; (Paradigm shifts influence science all the time); like theory, but stronger heuristic = explanatory; not formal, but for explanatory purposes syllogism = logical form of branched reasoning; premises -> conclu

UCSD - BICD - 100

Problem Set #1 KEY BICD 100 W' 06 (L. Smith)1). In Mimulus (monkeyflower), plant stems can be either smooth or hairy, and this difference is determined by a single gene, H (call H the dominant allele and h the recessive allele). Examine the results

UCSD - BICD - 100

Statistics for this exam:mean 121/180median 122/180BICD100 Final Exam KEY1.) In a field of transgenic corn expressing a certain Bacillus thuringiensis toxin, European Corn Borers are killed unless they have become resistant to the toxin. When

UCSD - BICD - 100

BICD100 Final Exam 3/20/06 KEY to version A (1) Hospitals often experience problems with bacteria that acquire resistance to multiple antibiotics, which cause infections that are very difficult to treat. You are a microbiologist in a hospital experie

UCSD - BICD - 100

BICD100 Midterm 1 (1/30/06)KEY TO VERSION A1. A pet store owner wants to breed some attractive new varieties of tropical fish. In a particular species of fish, she determines that the difference between electric blue vs. black body color is due t

UCSD - BICD - 100

BICD100 Midterm 1 (1/30/06)KEY TO VERSION B1. A pet store owner wants to breed some attractive new varieties of tropical fish. In a particular species of fish, she determines that the difference between electric blue vs. black body color is due t

UCSD - BICD - 100

BICD100 2006 Midterm 2 (2/22/06): KEY TO VERSION A1.) Certain varieties of flax (the plant) show different resistances to specific races of the fungus called flax rust. Flax variety 770B is resistant to rust race 22 but susceptible to race 24, where

UCSD - BICD - 100

Problem Set #3 KEY BICD 100 W' 06 (L. Smith)1.) The following pedigrees show the pattern of inheritance for two different, rare traits in human families. Indicate for each the likely mode(s) of inheritance (autosomal recessive, X-linked recessive, a

UCSD - BICD - 100

Problem Set #4 KEY BICD 100 W' 06 (L. Smith)1.) To identify genes controlling coat color in mice, a scientist mutagenizes a pure-breeding line of wild type black mice, and screens the F2 generation for mice with altered coat color. Four recessive co

UCSD - BICD - 100

Problem Set #5 KEY BICD 100 W' 06 (L. Smith)1.) In Drosophila, a recessive mutation ca causes eyes to be claret in color when homozygous, and a recessive mutation ro causes the eye to have a rough surface when homozygous. Another recessive mutation,

UCSD - BICD - 100

BICD100: Genetics W'06Problem Set #6 KEY1). In humans, the drug isoniazid is used to treat tuberculosis. The drug is inactivated in the liver by the enzyme acetyl transferase. Two alleles of the gene for this enzyme exist in human populations. En

UCSD - BICD - 100

Problem Set #7 KEY BICD 100 W' 061). A horse breeder wants to develop a breed of small horses for children to ride. From a heterogenous population of 100 horses with a mean height of 60 inches, a subpopulation of horses with a mean height of 45 inch

UCSD - BICD - 100

1Problem Set #8 KEY - BICD 100 W' 061.) Many plants produce flowers consisting of four organ types arranged in concentric "whorls". In wild-type Arabidopsis thaliana, whorl 1 organs are sepals (green leaf-like organs that protect the flower before

UCSD - BICD - 140

Name _ Student ID # _ BICD 140 Spring 2006 Midterm Exam #2 Please write your name on each page and look through your exam. It should have 9 pages. Do not use pencil or white out on your exam. Be certain that all of the work that you want graded is wr

UCSD - BICD - 140

Name _ Question 1: For each of the following, identify the one cell type that best fits the description? (14 pts) i. Can phagocytose bacteria, but does not present antigens from those bacteria to T cells. NEUTROPHIL Capable of rapidly clearing virall

UCSD - BICD - 140

Name _ Student ID # _ BICD 140 Spring 2006 Midterm Exam #2 Please write your name on each page and look through your exam. It should have 9 pages. Do not use pencil or white out on your exam. Be certain that all of the work that you want graded is wr

UCSD - BICD - 110

These are some final exam questions from Spring 2006. The Fall 2006 Final will not be all multiple choice.1. Components of G-protein signaling pathways might include all of the following except: A. Second messenger B. Protein that binds and hydroly

UCSD - BICD - 110

BICD 110: Spring 2006 Final Multiple Choice Questions 1. Components of G-protein signaling pathways might include all of the following except: A. Second messenger B. Protein that binds and hydrolyzes GTP C. Ion channel D. Enzyme E. Hydrophobic signal

UCSD - BICD - 110

I. For each of the following molecules, indicate WHERE they could be found in the cell. a) LDL receptor b) Signal Recognition Particle Receptor c) Ran-GTP d) Sar1-GTP e) Clathrin f) GPI anchored protein g) Na/glucose symporter h) Adaptins i) COPII k)

UCSD - BIMM - 100

BIMM100 FALL 2006 ASSIGNMENT 1 BIMM100 FA06 Assignment 1 Short answer questions 1. Identify each of the following bases of this single-stranded nucleic acid molecule and state if they are purines or pyrimidines. Identify the 5' and 3' ends. Circle al

UCSD - BIMM - 100

BIMM 100 FALL 2006 Assignment 3 1. (a) Figure 1a shows the growth curve for E. coli bacteria grown in a glucose-containing broth (culture A). Figure 1b shows the growth curve for E. coli grown in a broth that contains equal parts of glucose and lacto

UCSD - BIMM - 100

BIMM 100 FALL 2006 Assignment 4 1. Name the two techniques that we learned in class used for detecting if a protein or extract containing the protein has DNA binding activity. List the steps of each technique, including necessary controls, and briefl

UCSD - BIMM - 100

BIMM 100 FALL 2006 Assignment 2 1. A) What is the difference between conservative and semi-conservative DNA replication?B) Explain the experiment covered in class that led to the conclusion that DNA replication is semi-conservative.2. A) Why is D

UCSD - BIMM - 100

BIMM 100 FALL 2006 Assignment 5 1. Name the three different types of RNA that are required for the process of translation and describe their functions. Name the RNA polymerase responsible for synthesizing each type of RNA. mRNA: encodes the genetic i

UCSD - BIMM - 100

BIMM 100 FALL 2006 Assignment 5 1. Name the three different types of RNA that are required for the process of translation and describe their functions. Name the RNA polymerase responsible for synthesizing each type of RNA.2. Consider the modificati

UCSD - BIMM - 100

BIMM 100 FALL 2006: Assignment 6 Preface: You are an ambitious undergraduate who started a research project in Dr. Cerevisiae's lab in the regulatory biology department at The Institute of Biology. 1. Save parts a-c of this question until after lectu

UCSD - BIMM - 100

BIMM 100, FA06 Assignment 7: Molecular genetic techniques & Genomics 1. You have just begun a job at Dr. Cerevisiae's new biotech startup company where your first task is to sequence a mutant gene. You decide to use the Sanger method which makes use

UCSD - BIMM - 100

BIMM 100, FA06 Assignment 7: Molecular genetic techniques & Genomics 1. You have just begun a job at Dr. Cerevisiae's new biotech startup company where your first task is to sequence a mutant gene. You decide to use the Sanger method which makes use

UCSD - BIMM - 100

Homework Assignment #8 1. Viruses cannot reproduce by themselves and must use a host cell's machinery to replicate. What general host cell machinery is required by all viruses? a. List and describe the 5 general stages of viral replication and prolif

UCSD - CHEM - 140A

CHEMISTRY 140A (Perrin) Fall 2005 Midterm Exam #2 Key to Answers, with source in Vollhardt & Schore (in parentheses if extensively adapted), and to Grading General: -5 for nonoctet atom (including CH3CH2 with connection via CH3), -2 for each C with o

UCSD - CHEM - 140A

Chemistry 140A (C. L. Perrin) Final Exam December 10, 2004 Name (printed): _ Signature (written): _ ID#: _ (Place your picture ID in plain view, next to your exam.) Major: _ Sector: Left Center Right1-2 3-4 5-6 7-8 9-11 12-13 14-15 16-17 18Row _

UCSD - CHEM - 140A

Chemistry 140A (C. L. Perrin) Midterm Exam #1, October 18, 2004 Name (printed): _ Signature (written): _ ID#: _ Row _ (Last = LL in front section or M in rear) OR1-2 3-4 5-6 7 8 9Section day & hour _ (to retrieve your exam) TA: Betsy Lani Oscar R

UCSD - CHEM - 140A

Chemistry 140A (C. L. Perrin)Midterm Exam #2, November 15, 20041-2 3 4-5 6-7 8-9Name (printed): _ Signature (written): _ ID#: _ TA: Betsy Lani Row __ (Last = LL in front section or M in rear) Oscar Randy RenaOR Section day & hour _ (to retrie

UCSD - CHEM - 140B

Name:_KEY_ ID# _ CHEM 140B Winter 2006 - First Midterm Exam Problem I. Draw the molecules or short answers. [40 Points] B 8 pts A 8 pts CBr O OH Clcis-5-ethyl-3-methylcyclohept-1-ene methylenecyclohexane(E)-2-bromo-3-chloro-4-methoxy-2-butenol01